#!/bin/sh

# Slackware build script for suitesparse

# Written by Pablo Santamaria (pablosantamaria@gmail.com)

PRGNAM=suitesparse
VERSION=${VERSION:-4.0.2}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf SuiteSparse
tar xvf $CWD/SuiteSparse-$VERSION.tar.gz

cd SuiteSparse
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

for lib in SuiteSparse_config AMD CAMD COLAMD BTF KLU LDL CCOLAMD UMFPACK CHOLMOD CXSparse SPQR RBio; do
    make -C $lib library CFLAGS="$SLKCFLAGS -DNPARTITION"
done

mkdir -p $PKG/usr/lib$LIBDIRSUFFIX 
mkdir -p $PKG/usr/include/suitesparse
for lib in SuiteSparse_config AMD CAMD COLAMD BTF KLU LDL CCOLAMD UMFPACK CHOLMOD CXSparse SPQR RBio; do
  make -C $lib INSTALL_LIB="$PKG/usr/lib$LIBDIRSUFFIX" INSTALL_INCLUDE="$PKG/usr/include/suitesparse" install
done

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a README.txt $PKG/usr/doc/$PRGNAM-$VERSION
for lib in AMD CAMD COLAMD BTF KLU LDL CCOLAMD UMFPACK CHOLMOD CXSparse SPQR RBio; do
    mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/$lib
    cp -a $lib/Doc/README* $lib/Doc/*.pdf $lib/Doc/ChangeLog $lib/Doc/License* \
	$PKG/usr/doc/$PRGNAM-$VERSION/$lib || true
done
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
